在国外 ,儿童尿路结石约占尿石症的 1 %～3% ,而且其患病率有上升趋势。国内尚无有关的系统统计资料。根据南京市鼓楼医院统计 ,入院收治的尿路结石患儿约占该症同期住院总数的 1 .5%。几乎任何年龄的儿童都可罹患尿路结石 ,但 2岁以下儿童的发生率较低。约有 50 %的患儿可自行 Abroad, children urinary tract stones account for about 1% to 3% of urolithiasis, and its prevalence is on the rise. There is no relevant system statistics in China. According to the statistics of Nanjing Drum Tower Hospital, children admitted to hospital with urolithiasis account for about 1.5% of the total number of hospitalizations during the same period. Urinary tract stones can develop in children of almost any age, but the incidence of children under 2 years of age is low. About 50% of children with their own